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Net Earnings Per Share (Tables) | 6 Months Ended
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Oct. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the computation of basic and diluted net earnings per share:
|  | Three Months Ended |  | Six Months Ended
|  | October 31, |  | October 31,
(in thousands, except per share amounts) |  | 2018 |  | 2017 |  | 2018 |  | 2017
Numerator used in basic and diluted net earnings |  |  |  |  |  |  |  |
per common share: |  |  |  |  |  |  |  |
Net income |  | $ | 18,488 |  |  | $ | 19,755 |  |  | $ | 43,255 |  |  | $ | 42,036 |
Denominator: |  |  |  |  |  |  |  |
Denominator for basic net earnings per common |  |  |  |  |  |  |  |
share - weighted-average shares |  | 17,556 |  |  | 16,197 |  |  | 17,545 |  |  | 16,235 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Stock options and restricted stock units |  | 32 |  |  | 71 |  |  | 45 |  |  | 84 |
Denominator for diluted net earnings per common |  |  |  |  |  |  |  |
share - weighted-average shares and assumed |  |  |  |  |  |  |  |
conversions |  | 17,588 |  |  | 16,268 |  |  | 17,590 |  |  | 16,319 |
Net earnings per share |  |  |  |  |  |  |  |
Basic |  | $ | 1.05 |  |  | $ | 1.22 |  |  | $ | 2.47 |  |  | $ | 2.59 |
Diluted |  | $ | 1.05 |  |  | $ | 1.21 |  |  | $ | 2.46 |  |  | $ | 2.58 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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